{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["time", "vulnerable system version", "capabilities", "common vulnerabilities and exposures", "vulnerability", "vulnerable system owner", "vulnerable system", "discoverer", "supported platform"]}], "input": "Intel has issued fresh \" microcode revision guidance \" that reveals it wo n’t address the Meltdown and Spectre design flaws in all of its vulnerable processors – in some cases because it 's too tricky to remove the Spectre v2 class of vulnerabilities ."}
{"discover vulnerability": []}